The Swagelining process
uses PE pipe which has an outside diameter slightly larger than the inside
diameter of the pipe to be lined. During the installation process, the PE
pipe is pulled through a die to temporarily reduce its outside diameter.
This reduction allows the PE to be easily pulled through the host pipe by a
winch. When the pulling force has been disconnected, the PE pipe begins to
return toward its original diameter.
Polyethylene pipe provides
the unique light weight, joint integrity, and overall toughness of
polyethylene has resulted in the above-ground installation of polyethylene
pipe in various mining, oil, gas production and municipal distribution
Polyethylene pipe is used
for slurry transport in many industries such as those that work with kaolins
and phosphates. The ease of installation and exceptional toughness of
polyethylene pipe often make it practical for oil and gas collection.
In general, polyethylene
pipe can be used safely at temperatures as low as -75°F (-60°C) and as high
as 150°F (65°C).
Unlike many piping
materials, polyethylene pipe will not rust, rot, pit, or corrode as a result
of chemical, electrolytic, or galvanic action. The Primary chemical
environments that pose potentially serious problems for polyethylene pipe
are strong oxidizing agents or certain hydrocarbons.
Polyethylene pipe is
widely used for a variety of applications including water and sewer lines,
chemical transfer, food processing, irrigation, mining and dredging,
geothermal power generation, telecommunications, and oil and natural gas
collection and transport.
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